The ornamental design for a singlestructuralmember for shelving, as shown and described.
FIG. 1 is a perspective view of the single structural member for shelving of my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, a right side elevational view thereof being a mirror image of the left side elevational view;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view of a partial rack assembly, seen from an inner side thereof, showing a corner coupling made by vertical and horizontal structural members, the elements shown in evenly spaced broken lines depicting environment only and forming no part of the claimed design.
The alternate long and two short dash lines shown in FIGS. 1-3 and 5-7 indicate that there is no particular length claimed.